Refactor more power and infiltration stuff. Create new power sabotage ability for spies in ra and ts.

OpenRA.Mods.RA/Power/Power.cs

@@ -0,0 +1,49 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Power
+{
+	public class PowerInfo : ITraitInfo
+	{
+		[Desc("If negative, it will drain power. If positive, it will provide power.")]
+		public readonly int Amount = 0;
+
+		public object Create(ActorInitializer init) { return new Power(init.self, this); }
+	}
+
+	public class Power : INotifyCapture
+	{
+		readonly PowerInfo info;
+		readonly Lazy<IPowerModifier[]> powerModifiers;
+
+		public PowerManager PlayerPower { get; private set; }
+
+		public int GetCurrentPower()
+		{
+			return Util.ApplyPercentageModifiers(info.Amount, powerModifiers.Value.Select(m => m.GetPowerModifier()));
+		}
+
+		public Power(Actor self, PowerInfo info)
+		{
+			this.info = info;
+			PlayerPower = self.Owner.PlayerActor.Trait<PowerManager>();
+			powerModifiers = Exts.Lazy(() => self.TraitsImplementing<IPowerModifier>().ToArray());
+		}
+
+		public void OnCapture(Actor self, Actor captor, Player oldOwner, Player newOwner)
+		{
+			PlayerPower = newOwner.PlayerActor.Trait<PowerManager>();
+		}
+	}
+}